| Slobozia to Nuth | 1,085.32 mi (1,746.65 km) |
| Slobozia to Oegstgeest | 1,168.64 mi (1,880.74 km) |
| Slobozia to Oirschot | 1,120.73 mi (1,803.63 km) |
| Slobozia to Oisterwijk | 1,126.50 mi (1,812.92 km) |
| Slobozia to Oldebroek | 1,117.47 mi (1,798.40 km) |
| Slobozia to Oldenzaal | 1,073.52 mi (1,727.66 km) |
| Slobozia to Ommen | 1,098.85 mi (1,768.43 km) |
| Slobozia to Oosterend | 1,125.09 mi (1,810.66 km) |
| Slobozia to Oosterhout | 1,141.78 mi (1,837.52 km) |
| Slobozia to Oosterwolde | 1,116.11 mi (1,796.21 km) |
| Slobozia to Oostzaan | 1,157.37 mi (1,862.60 km) |
| Slobozia to Opmeer | 1,160.88 mi (1,868.25 km) |
| Slobozia to Oss | 1,117.30 mi (1,798.13 km) |
| Slobozia to Oud-Beijerland | 1,163.93 mi (1,873.17 km) |
| Slobozia to Oudenbosch | 1,154.47 mi (1,857.94 km) |
