| Upper Grand Lagoon to Rome (New York) | 1,064.08 mi (1,712.47 km) |
| Upper Grand Lagoon to Romeoville (Illinois) | 802.84 mi (1,292.04 km) |
| Upper Grand Lagoon to Romulus (Michigan) | 843.26 mi (1,357.09 km) |
| Upper Grand Lagoon to Ronkonkoma (New York) | 1,019.48 mi (1,640.70 km) |
| Upper Grand Lagoon to Roosevelt (New York) | 995.99 mi (1,602.89 km) |
| Upper Grand Lagoon to Rosamond (California) | 1,911.12 mi (3,075.64 km) |
| Upper Grand Lagoon to Rosaryville (Maryland) | 780.66 mi (1,256.35 km) |
| Upper Grand Lagoon to Roscoe (Illinois) | 865.99 mi (1,393.67 km) |
| Upper Grand Lagoon to Rose Hill (Virginia) | 771.40 mi (1,241.44 km) |
| Upper Grand Lagoon to Roseburg (Oregon) | 2,246.75 mi (3,615.79 km) |
| Upper Grand Lagoon to Rosedale (California) | 1,967.56 mi (3,166.48 km) |
| Upper Grand Lagoon to Rosedale (Maryland) | 820.63 mi (1,320.68 km) |
| Upper Grand Lagoon to Roselle (Illinois) | 826.47 mi (1,330.08 km) |
| Upper Grand Lagoon to Roselle (New Jersey) | 969.15 mi (1,559.70 km) |
| Upper Grand Lagoon to Roselle Park (New Jersey) | 969.51 mi (1,560.28 km) |
