| Witham to Romeoville (Illinois) | 3,996.52 mi (6,431.78 km) |
| Witham to Romulus (Michigan) | 3,788.67 mi (6,097.27 km) |
| Witham to Ronkonkoma (New York) | 3,446.22 mi (5,546.15 km) |
| Witham to Roosevelt (New York) | 3,470.26 mi (5,584.85 km) |
| Witham to Rosamond (California) | 5,403.63 mi (8,696.31 km) |
| Witham to Rosaryville (Maryland) | 3,687.15 mi (5,933.90 km) |
| Witham to Roscoe (Illinois) | 3,993.15 mi (6,426.35 km) |
| Witham to Rose Hill (Virginia) | 3,697.66 mi (5,950.81 km) |
| Witham to Roseburg (Oregon) | 5,069.17 mi (8,158.04 km) |
| Witham to Rosedale (California) | 5,404.30 mi (8,697.38 km) |
| Witham to Rosedale (Maryland) | 3,648.90 mi (5,872.34 km) |
| Witham to Roselle (Illinois) | 3,979.56 mi (6,404.48 km) |
| Witham to Roselle (New Jersey) | 3,498.85 mi (5,630.86 km) |
| Witham to Roselle Park (New Jersey) | 3,498.57 mi (5,630.40 km) |
| Witham to Rosemead (California) | 5,445.31 mi (8,763.38 km) |
