| South Portland to Pully | 3,605.86 mi (5,803.07 km) |
| South Portland to Rapperswil-Jona | 3,674.25 mi (5,913.13 km) |
| South Portland to Regensdorf | 3,652.83 mi (5,878.65 km) |
| South Portland to Reinach | 3,614.44 mi (5,816.88 km) |
| South Portland to Renens | 3,601.80 mi (5,796.54 km) |
| South Portland to Rheinfelden | 3,621.41 mi (5,828.10 km) |
| South Portland to Richterswil | 3,669.38 mi (5,905.30 km) |
| South Portland to Riehen | 3,613.44 mi (5,815.26 km) |
| South Portland to Risch | 3,660.57 mi (5,891.12 km) |
| South Portland to Romanshorn | 3,685.63 mi (5,931.44 km) |
| South Portland to Rorschach | 3,694.66 mi (5,945.98 km) |
| South Portland to Rothrist | 3,632.58 mi (5,846.08 km) |
| South Portland to Ruti | 3,674.05 mi (5,912.81 km) |
| South Portland to Sankt Gallen | 3,690.67 mi (5,939.55 km) |
| South Portland to Sarnen | 3,660.55 mi (5,891.09 km) |
