| Port Huron to Pully | 4,134.00 mi (6,653.04 km) |
| Port Huron to Rapperswil-Jona | 4,193.51 mi (6,748.80 km) |
| Port Huron to Regensdorf | 4,171.62 mi (6,713.58 km) |
| Port Huron to Reinach | 4,134.95 mi (6,654.55 km) |
| Port Huron to Renens | 4,130.04 mi (6,646.65 km) |
| Port Huron to Rheinfelden | 4,141.04 mi (6,664.36 km) |
| Port Huron to Richterswil | 4,188.91 mi (6,741.41 km) |
| Port Huron to Riehen | 4,133.24 mi (6,651.80 km) |
| Port Huron to Risch | 4,181.16 mi (6,728.92 km) |
| Port Huron to Romanshorn | 4,201.60 mi (6,761.82 km) |
| Port Huron to Rorschach | 4,210.87 mi (6,776.74 km) |
| Port Huron to Rothrist | 4,153.47 mi (6,684.37 km) |
| Port Huron to Ruti | 4,192.94 mi (6,747.88 km) |
| Port Huron to Sankt Gallen | 4,207.43 mi (6,771.20 km) |
| Port Huron to Sarnen | 4,182.98 mi (6,731.86 km) |
