| Cities | Distance |
|---|---|
| Viterbo to Oegstgeest | 762.72 mi (1,227.48 km) |
| Viterbo to Oirschot | 704.02 mi (1,133.01 km) |
| Viterbo to Oisterwijk | 711.15 mi (1,144.48 km) |
| Viterbo to Oldebroek | 750.63 mi (1,208.02 km) |
| Viterbo to Oldenzaal | 724.97 mi (1,166.72 km) |
| Viterbo to Ommen | 745.99 mi (1,200.56 km) |
| Viterbo to Oosterend | 782.68 mi (1,259.61 km) |
| Viterbo to Oosterhout | 722.15 mi (1,162.19 km) |
| Viterbo to Oosterwolde | 778.20 mi (1,252.38 km) |
| Viterbo to Oostzaan | 768.97 mi (1,237.54 km) |
| Viterbo to Opmeer | 783.87 mi (1,261.52 km) |
| Viterbo to Oss | 715.67 mi (1,151.76 km) |
| Viterbo to Oud-Beijerland | 742.59 mi (1,195.08 km) |
| Viterbo to Oudenbosch | 726.46 mi (1,169.12 km) |
| Viterbo to Oudewater | 744.21 mi (1,197.69 km) |