| Gondomar to Nuth | 963.00 mi (1,549.80 km) |
| Gondomar to Oegstgeest | 977.28 mi (1,572.78 km) |
| Gondomar to Oirschot | 969.97 mi (1,561.01 km) |
| Gondomar to Oisterwijk | 970.67 mi (1,562.14 km) |
| Gondomar to Oldebroek | 1,033.26 mi (1,662.87 km) |
| Gondomar to Oldenzaal | 1,059.51 mi (1,705.11 km) |
| Gondomar to Ommen | 1,052.34 mi (1,693.58 km) |
| Gondomar to Oosterend | 1,064.79 mi (1,713.62 km) |
| Gondomar to Oosterhout | 962.74 mi (1,549.38 km) |
| Gondomar to Oosterwolde | 1,070.87 mi (1,723.40 km) |
| Gondomar to Oostzaan | 1,001.93 mi (1,612.45 km) |
| Gondomar to Opmeer | 1,017.14 mi (1,636.93 km) |
| Gondomar to Oss | 989.23 mi (1,592.01 km) |
| Gondomar to Oud-Beijerland | 957.17 mi (1,540.42 km) |
| Gondomar to Oudenbosch | 949.87 mi (1,528.66 km) |
