| Cities | Distance |
|---|---|
| Vianen to Orbetello | 718.50 mi (1,156.31 km) |
| Vianen to Oria | 991.13 mi (1,595.06 km) |
| Vianen to Oristano | 850.91 mi (1,369.40 km) |
| Vianen to Orta Nova | 889.60 mi (1,431.67 km) |
| Vianen to Orte | 740.63 mi (1,191.93 km) |
| Vianen to Ortona | 794.74 mi (1,279.02 km) |
| Vianen to Orvieto | 718.57 mi (1,156.43 km) |
| Vianen to Orzinuovi | 505.19 mi (813.02 km) |
| Vianen to Osimo | 703.74 mi (1,132.56 km) |
| Vianen to Ospitaletto | 498.26 mi (801.87 km) |
| Vianen to Ostuni | 976.16 mi (1,570.98 km) |
| Vianen to Ottaviano | 887.86 mi (1,428.88 km) |
| Vianen to Ovada | 532.79 mi (857.44 km) |
| Vianen to Ozieri | 809.00 mi (1,301.96 km) |
| Vianen to Paceco | 1,032.23 mi (1,661.22 km) |