| Perama to Oerlinghausen | 1,205.88 mi (1,940.68 km) |
| Perama to Oestrich-Winkel | 1,131.39 mi (1,820.79 km) |
| Perama to Offenburg | 1,066.70 mi (1,716.68 km) |
| Perama to Oftersheim | 1,083.07 mi (1,743.04 km) |
| Perama to Ohrdruf | 1,087.99 mi (1,750.95 km) |
| Perama to Ohringen | 1,044.49 mi (1,680.94 km) |
| Perama to Olbernhau | 1,010.70 mi (1,626.57 km) |
| Perama to Olching | 936.85 mi (1,507.72 km) |
| Perama to Oldenburg | 1,279.20 mi (2,058.67 km) |
| Perama to Oldenburg in Holstein | 1,277.07 mi (2,055.25 km) |
| Perama to Olfen | 1,231.70 mi (1,982.22 km) |
| Perama to Olpe | 1,184.20 mi (1,905.79 km) |
| Perama to Olsberg | 1,180.33 mi (1,899.55 km) |
| Perama to Oranienburg | 1,135.50 mi (1,827.42 km) |
| Perama to Ortenberg | 1,114.01 mi (1,792.82 km) |
