| Renfrew to Oerlinghausen | 594.72 mi (957.10 km) |
| Renfrew to Oestrich-Winkel | 654.94 mi (1,054.03 km) |
| Renfrew to Offenburg | 729.33 mi (1,173.75 km) |
| Renfrew to Oftersheim | 703.92 mi (1,132.84 km) |
| Renfrew to Ohrdruf | 712.45 mi (1,146.58 km) |
| Renfrew to Ohringen | 741.73 mi (1,193.70 km) |
| Renfrew to Olbernhau | 812.86 mi (1,308.18 km) |
| Renfrew to Olching | 849.30 mi (1,366.81 km) |
| Renfrew to Oldenburg | 538.73 mi (867.00 km) |
| Renfrew to Oldenburg in Holstein | 612.35 mi (985.48 km) |
| Renfrew to Olfen | 558.81 mi (899.32 km) |
| Renfrew to Olpe | 603.46 mi (971.18 km) |
| Renfrew to Olsberg | 612.00 mi (984.92 km) |
| Renfrew to Oranienburg | 740.09 mi (1,191.06 km) |
| Renfrew to Ortenberg | 673.77 mi (1,084.33 km) |
