| Solothurn to Rockville (Maryland) | 4,092.77 mi (6,586.68 km) |
| Solothurn to Rockville Centre (New York) | 3,878.16 mi (6,241.30 km) |
| Solothurn to Rockwall (Texas) | 5,172.34 mi (8,324.07 km) |
| Solothurn to Rocky Mount (North Carolina) | 4,255.57 mi (6,848.68 km) |
| Solothurn to Rocky Point (New York) | 3,837.42 mi (6,175.73 km) |
| Solothurn to Rocky River (Ohio) | 4,184.41 mi (6,734.16 km) |
| Solothurn to Roessleville (New York) | 3,803.18 mi (6,120.63 km) |
| Solothurn to Rogers (Arkansas) | 4,912.97 mi (7,906.65 km) |
| Solothurn to Rogers (Minnesota) | 4,465.80 mi (7,187.02 km) |
| Solothurn to Rohnert Park (California) | 5,776.82 mi (9,296.89 km) |
| Solothurn to Rolla (Missouri) | 4,740.13 mi (7,628.50 km) |
| Solothurn to Rolling Meadows (Illinois) | 4,401.69 mi (7,083.84 km) |
| Solothurn to Roma (Texas) | 5,608.91 mi (9,026.67 km) |
| Solothurn to Rome (Georgia) | 4,647.02 mi (7,478.66 km) |
| Solothurn to Rome (New York) | 3,852.17 mi (6,199.47 km) |
