| Witham to Robertsville (New Jersey) | 3,514.01 mi (5,655.25 km) |
| Witham to Robinson (Texas) | 4,850.09 mi (7,805.46 km) |
| Witham to Robstown (Texas) | 5,064.41 mi (8,150.38 km) |
| Witham to Rochester (Michigan) | 3,758.20 mi (6,048.24 km) |
| Witham to Rochester (Minnesota) | 4,044.89 mi (6,509.62 km) |
| Witham to Rochester (New Hampshire) | 3,253.43 mi (5,235.90 km) |
| Witham to Rochester (New York) | 3,523.11 mi (5,669.90 km) |
| Witham to Rochester Hills (Michigan) | 3,760.61 mi (6,052.11 km) |
| Witham to Rock Hill (South Carolina) | 4,036.85 mi (6,496.68 km) |
| Witham to Rock Island (Illinois) | 4,097.28 mi (6,593.93 km) |
| Witham to Rock Springs (Wyoming) | 4,741.10 mi (7,630.07 km) |
| Witham to Rockford (Illinois) | 4,003.06 mi (6,442.30 km) |
| Witham to Rockledge (Florida) | 4,350.79 mi (7,001.92 km) |
| Witham to Rocklin (California) | 5,267.42 mi (8,477.09 km) |
| Witham to Rockport (Texas) | 5,028.60 mi (8,092.75 km) |
