| Adiyaman to Oerlinghausen | 1,731.88 mi (2,787.19 km) |
| Adiyaman to Oestrich-Winkel | 1,711.73 mi (2,754.76 km) |
| Adiyaman to Offenburg | 1,684.82 mi (2,711.46 km) |
| Adiyaman to Oftersheim | 1,673.63 mi (2,693.44 km) |
| Adiyaman to Ohrdruf | 1,619.16 mi (2,605.79 km) |
| Adiyaman to Ohringen | 1,630.74 mi (2,624.43 km) |
| Adiyaman to Olbernhau | 1,511.31 mi (2,432.22 km) |
| Adiyaman to Olching | 1,530.53 mi (2,463.16 km) |
| Adiyaman to Oldenburg | 1,781.90 mi (2,867.69 km) |
| Adiyaman to Oldenburg in Holstein | 1,721.69 mi (2,770.80 km) |
| Adiyaman to Olfen | 1,776.38 mi (2,858.81 km) |
| Adiyaman to Olpe | 1,741.43 mi (2,802.56 km) |
| Adiyaman to Olsberg | 1,723.17 mi (2,773.17 km) |
| Adiyaman to Oranienburg | 1,584.16 mi (2,549.46 km) |
| Adiyaman to Ortenberg | 1,675.58 mi (2,696.58 km) |
