| Galt to Nuth | 5,495.38 mi (8,843.95 km) |
| Galt to Oegstgeest | 5,389.23 mi (8,673.13 km) |
| Galt to Oirschot | 5,448.24 mi (8,768.10 km) |
| Galt to Oisterwijk | 5,441.07 mi (8,756.56 km) |
| Galt to Oldebroek | 5,414.19 mi (8,713.29 km) |
| Galt to Oldenzaal | 5,448.92 mi (8,769.19 km) |
| Galt to Ommen | 5,424.46 mi (8,729.83 km) |
| Galt to Oosterend | 5,389.18 mi (8,673.05 km) |
| Galt to Oosterhout | 5,428.42 mi (8,736.20 km) |
| Galt to Oosterwolde | 5,395.85 mi (8,683.78 km) |
| Galt to Oostzaan | 5,387.53 mi (8,670.39 km) |
| Galt to Opmeer | 5,375.31 mi (8,650.72 km) |
| Galt to Oss | 5,440.07 mi (8,754.95 km) |
| Galt to Oud-Beijerland | 5,406.60 mi (8,701.09 km) |
| Galt to Oudenbosch | 5,421.99 mi (8,725.86 km) |
