| Tall Abyad to Oerlinghausen | 1,810.24 mi (2,913.29 km) |
| Tall Abyad to Oestrich-Winkel | 1,787.73 mi (2,877.07 km) |
| Tall Abyad to Offenburg | 1,758.71 mi (2,830.37 km) |
| Tall Abyad to Oftersheim | 1,748.97 mi (2,814.69 km) |
| Tall Abyad to Ohrdruf | 1,696.93 mi (2,730.94 km) |
| Tall Abyad to Ohringen | 1,706.12 mi (2,745.74 km) |
| Tall Abyad to Olbernhau | 1,589.74 mi (2,558.43 km) |
| Tall Abyad to Olching | 1,605.06 mi (2,583.09 km) |
| Tall Abyad to Oldenburg | 1,861.21 mi (2,995.32 km) |
| Tall Abyad to Oldenburg in Holstein | 1,802.42 mi (2,900.72 km) |
| Tall Abyad to Olfen | 1,854.17 mi (2,984.00 km) |
| Tall Abyad to Olpe | 1,818.58 mi (2,926.73 km) |
| Tall Abyad to Olsberg | 1,800.85 mi (2,898.19 km) |
| Tall Abyad to Oranienburg | 1,664.42 mi (2,678.62 km) |
| Tall Abyad to Ortenberg | 1,752.30 mi (2,820.06 km) |
