| Perris to Oerlinghausen | 5,670.84 mi (9,126.34 km) |
| Perris to Oestrich-Winkel | 5,750.49 mi (9,254.52 km) |
| Perris to Offenburg | 5,825.79 mi (9,375.71 km) |
| Perris to Oftersheim | 5,800.14 mi (9,334.42 km) |
| Perris to Ohrdruf | 5,788.90 mi (9,316.34 km) |
| Perris to Ohringen | 5,836.64 mi (9,393.16 km) |
| Perris to Olbernhau | 5,870.92 mi (9,448.33 km) |
| Perris to Olching | 5,943.22 mi (9,564.70 km) |
| Perris to Oldenburg | 5,598.42 mi (9,009.79 km) |
| Perris to Oldenburg in Holstein | 5,612.92 mi (9,033.13 km) |
| Perris to Olfen | 5,645.86 mi (9,086.14 km) |
| Perris to Olpe | 5,694.29 mi (9,164.08 km) |
| Perris to Olsberg | 5,696.73 mi (9,168.00 km) |
| Perris to Oranienburg | 5,756.89 mi (9,264.82 km) |
| Perris to Ortenberg | 5,764.15 mi (9,276.51 km) |
