| Isparta to Nuth | 1,508.56 mi (2,427.79 km) |
| Isparta to Oegstgeest | 1,603.19 mi (2,580.08 km) |
| Isparta to Oirschot | 1,549.63 mi (2,493.89 km) |
| Isparta to Oisterwijk | 1,556.12 mi (2,504.33 km) |
| Isparta to Oldebroek | 1,559.50 mi (2,509.78 km) |
| Isparta to Oldenzaal | 1,517.52 mi (2,442.21 km) |
| Isparta to Ommen | 1,543.30 mi (2,483.71 km) |
| Isparta to Oosterend | 1,573.53 mi (2,532.35 km) |
| Isparta to Oosterhout | 1,571.07 mi (2,528.40 km) |
| Isparta to Oosterwolde | 1,565.13 mi (2,518.84 km) |
| Isparta to Oostzaan | 1,596.02 mi (2,568.54 km) |
| Isparta to Opmeer | 1,602.66 mi (2,579.23 km) |
| Isparta to Oss | 1,550.19 mi (2,494.78 km) |
| Isparta to Oud-Beijerland | 1,593.95 mi (2,565.22 km) |
| Isparta to Oudenbosch | 1,582.08 mi (2,546.11 km) |
