| Ottendorf-Okrilla to Oerlinghausen | 228.09 mi (367.07 km) |
| Ottendorf-Okrilla to Oestrich-Winkel | 268.15 mi (431.55 km) |
| Ottendorf-Okrilla to Offenburg | 322.52 mi (519.05 km) |
| Ottendorf-Okrilla to Oftersheim | 262.94 mi (423.16 km) |
| Ottendorf-Okrilla to Ohrdruf | 136.65 mi (219.92 km) |
| Ottendorf-Okrilla to Ohringen | 235.15 mi (378.43 km) |
| Ottendorf-Okrilla to Olbernhau | 41.41 mi (66.64 km) |
| Ottendorf-Okrilla to Olching | 234.39 mi (377.21 km) |
| Ottendorf-Okrilla to Oldenburg | 273.77 mi (440.58 km) |
| Ottendorf-Okrilla to Oldenburg in Holstein | 248.24 mi (399.51 km) |
| Ottendorf-Okrilla to Olfen | 279.81 mi (450.31 km) |
| Ottendorf-Okrilla to Olpe | 260.20 mi (418.75 km) |
| Ottendorf-Okrilla to Olsberg | 231.24 mi (372.14 km) |
| Ottendorf-Okrilla to Oranienburg | 111.69 mi (179.74 km) |
| Ottendorf-Okrilla to Ortenberg | 216.06 mi (347.71 km) |
