| Big Spring to Nuth | 5,197.88 mi (8,365.17 km) |
| Big Spring to Oegstgeest | 5,099.34 mi (8,206.59 km) |
| Big Spring to Oirschot | 5,154.70 mi (8,295.70 km) |
| Big Spring to Oisterwijk | 5,147.97 mi (8,284.86 km) |
| Big Spring to Oldebroek | 5,140.42 mi (8,272.70 km) |
| Big Spring to Oldenzaal | 5,181.86 mi (8,339.39 km) |
| Big Spring to Ommen | 5,156.08 mi (8,297.91 km) |
| Big Spring to Oosterend | 5,125.39 mi (8,248.52 km) |
| Big Spring to Oosterhout | 5,133.35 mi (8,261.33 km) |
| Big Spring to Oosterwolde | 5,133.73 mi (8,261.94 km) |
| Big Spring to Oostzaan | 5,105.01 mi (8,215.72 km) |
| Big Spring to Opmeer | 5,097.52 mi (8,203.66 km) |
| Big Spring to Oss | 5,152.50 mi (8,292.14 km) |
| Big Spring to Oud-Beijerland | 5,110.41 mi (8,224.42 km) |
| Big Spring to Oudenbosch | 5,123.29 mi (8,245.13 km) |
