| Aytos to Oegstgeest | 1,242.15 mi (1,999.05 km) |
| Aytos to Oirschot | 1,191.26 mi (1,917.15 km) |
| Aytos to Oisterwijk | 1,197.41 mi (1,927.04 km) |
| Aytos to Oldebroek | 1,194.54 mi (1,922.43 km) |
| Aytos to Oldenzaal | 1,151.43 mi (1,853.05 km) |
| Aytos to Ommen | 1,177.10 mi (1,894.36 km) |
| Aytos to Oosterend | 1,205.53 mi (1,940.12 km) |
| Aytos to Oosterhout | 1,212.61 mi (1,951.50 km) |
| Aytos to Oosterwolde | 1,196.83 mi (1,926.11 km) |
| Aytos to Oostzaan | 1,232.88 mi (1,984.12 km) |
| Aytos to Opmeer | 1,237.99 mi (1,992.35 km) |
| Aytos to Oss | 1,189.77 mi (1,914.75 km) |
| Aytos to Oud-Beijerland | 1,235.21 mi (1,987.88 km) |
| Aytos to Oudenbosch | 1,224.54 mi (1,970.70 km) |
| Aytos to Oudewater | 1,222.04 mi (1,966.68 km) |
