| Tall Abyad to Nuth | 1,896.22 mi (3,051.67 km) |
| Tall Abyad to Oegstgeest | 1,981.85 mi (3,189.48 km) |
| Tall Abyad to Oirschot | 1,932.95 mi (3,110.79 km) |
| Tall Abyad to Oisterwijk | 1,938.87 mi (3,120.31 km) |
| Tall Abyad to Oldebroek | 1,931.26 mi (3,108.07 km) |
| Tall Abyad to Oldenzaal | 1,887.36 mi (3,037.40 km) |
| Tall Abyad to Ommen | 1,912.71 mi (3,078.22 km) |
| Tall Abyad to Oosterend | 1,938.91 mi (3,120.38 km) |
| Tall Abyad to Oosterhout | 1,954.14 mi (3,144.89 km) |
| Tall Abyad to Oosterwolde | 1,929.91 mi (3,105.89 km) |
| Tall Abyad to Oostzaan | 1,970.98 mi (3,171.98 km) |
| Tall Abyad to Opmeer | 1,974.68 mi (3,177.95 km) |
| Tall Abyad to Oss | 1,930.19 mi (3,106.33 km) |
| Tall Abyad to Oud-Beijerland | 1,976.47 mi (3,180.82 km) |
| Tall Abyad to Oudenbosch | 1,966.55 mi (3,164.86 km) |
