| Urbana to Nuth | 4,300.28 mi (6,920.63 km) |
| Urbana to Oegstgeest | 4,204.04 mi (6,765.76 km) |
| Urbana to Oirschot | 4,258.21 mi (6,852.93 km) |
| Urbana to Oisterwijk | 4,251.62 mi (6,842.33 km) |
| Urbana to Oldebroek | 4,247.77 mi (6,836.12 km) |
| Urbana to Oldenzaal | 4,290.09 mi (6,904.23 km) |
| Urbana to Ommen | 4,264.32 mi (6,862.76 km) |
| Urbana to Oosterend | 4,234.89 mi (6,815.39 km) |
| Urbana to Oosterhout | 4,236.78 mi (6,818.44 km) |
| Urbana to Oosterwolde | 4,243.47 mi (6,829.21 km) |
| Urbana to Oostzaan | 4,211.04 mi (6,777.02 km) |
| Urbana to Opmeer | 4,204.54 mi (6,766.55 km) |
| Urbana to Oss | 4,257.11 mi (6,851.16 km) |
| Urbana to Oud-Beijerland | 4,213.86 mi (6,781.56 km) |
| Urbana to Oudenbosch | 4,226.16 mi (6,801.35 km) |
