| Calexico to Romeoville (Illinois) | 1,621.44 mi (2,609.45 km) |
| Calexico to Romulus (Michigan) | 1,867.97 mi (3,006.20 km) |
| Calexico to Ronkonkoma (New York) | 2,387.56 mi (3,842.41 km) |
| Calexico to Roosevelt (New York) | 2,363.56 mi (3,803.78 km) |
| Calexico to Rosamond (California) | 217.07 mi (349.35 km) |
| Calexico to Rosaryville (Maryland) | 2,192.51 mi (3,528.50 km) |
| Calexico to Roscoe (Illinois) | 1,590.44 mi (2,559.56 km) |
| Calexico to Rose Hill (Virginia) | 2,177.30 mi (3,504.03 km) |
| Calexico to Roseburg (Oregon) | 843.71 mi (1,357.82 km) |
| Calexico to Rosedale (California) | 282.89 mi (455.27 km) |
| Calexico to Rosedale (Maryland) | 2,209.12 mi (3,555.23 km) |
| Calexico to Roselle (Illinois) | 1,627.90 mi (2,619.85 km) |
| Calexico to Roselle (New Jersey) | 2,328.12 mi (3,746.74 km) |
| Calexico to Roselle Park (New Jersey) | 2,327.77 mi (3,746.18 km) |
| Calexico to Rosemead (California) | 177.30 mi (285.34 km) |
