| Welver to Romeoville (Illinois) | 4,273.42 mi (6,877.40 km) |
| Welver to Romulus (Michigan) | 4,071.33 mi (6,552.17 km) |
| Welver to Ronkonkoma (New York) | 3,744.20 mi (6,025.71 km) |
| Welver to Roosevelt (New York) | 3,767.97 mi (6,063.96 km) |
| Welver to Rosamond (California) | 5,632.72 mi (9,064.99 km) |
| Welver to Rosaryville (Maryland) | 3,984.43 mi (6,412.32 km) |
| Welver to Roscoe (Illinois) | 4,266.89 mi (6,866.90 km) |
| Welver to Rose Hill (Virginia) | 3,994.59 mi (6,428.67 km) |
| Welver to Roseburg (Oregon) | 5,266.50 mi (8,475.61 km) |
| Welver to Rosedale (California) | 5,629.70 mi (9,060.12 km) |
| Welver to Rosedale (Maryland) | 3,945.64 mi (6,349.90 km) |
| Welver to Roselle (Illinois) | 4,255.73 mi (6,848.93 km) |
| Welver to Roselle (New Jersey) | 3,795.88 mi (6,108.87 km) |
| Welver to Roselle Park (New Jersey) | 3,795.57 mi (6,108.38 km) |
| Welver to Rosemead (California) | 5,676.34 mi (9,135.19 km) |
