| La Crescenta-Montrose to Romeoville (Illinois) | 1,710.00 mi (2,751.97 km) |
| La Crescenta-Montrose to Romulus (Michigan) | 1,956.27 mi (3,148.31 km) |
| La Crescenta-Montrose to Ronkonkoma (New York) | 2,485.62 mi (4,000.22 km) |
| La Crescenta-Montrose to Roosevelt (New York) | 2,462.30 mi (3,962.68 km) |
| La Crescenta-Montrose to Rosamond (California) | 43.79 mi (70.48 km) |
| La Crescenta-Montrose to Rosaryville (Maryland) | 2,301.44 mi (3,703.81 km) |
| La Crescenta-Montrose to Roscoe (Illinois) | 1,672.25 mi (2,691.23 km) |
| La Crescenta-Montrose to Rose Hill (Virginia) | 2,286.19 mi (3,679.27 km) |
| La Crescenta-Montrose to Roseburg (Oregon) | 679.33 mi (1,093.28 km) |
| La Crescenta-Montrose to Rosedale (California) | 97.03 mi (156.15 km) |
| La Crescenta-Montrose to Rosedale (Maryland) | 2,315.13 mi (3,725.85 km) |
| La Crescenta-Montrose to Roselle (Illinois) | 1,713.99 mi (2,758.39 km) |
| La Crescenta-Montrose to Roselle (New Jersey) | 2,427.08 mi (3,906.01 km) |
| La Crescenta-Montrose to Roselle Park (New Jersey) | 2,426.67 mi (3,905.35 km) |
| La Crescenta-Montrose to Rosemead (California) | 14.28 mi (22.98 km) |
