| Cities | Distance |
|---|---|
| Viterbo to Navodari | 838.07 mi (1,348.74 km) |
| Viterbo to Negresti-Oas | 666.89 mi (1,073.26 km) |
| Viterbo to Nehoiu | 734.53 mi (1,182.11 km) |
| Viterbo to Ocna Mures | 641.03 mi (1,031.64 km) |
| Viterbo to Odobesti | 776.34 mi (1,249.39 km) |
| Viterbo to Odorheiu Secuiesc | 704.15 mi (1,133.21 km) |
| Viterbo to Oltenita | 739.35 mi (1,189.86 km) |
| Viterbo to Onesti | 770.34 mi (1,239.74 km) |
| Viterbo to Oradea | 578.51 mi (931.02 km) |
| Viterbo to Orastie | 598.46 mi (963.13 km) |
| Viterbo to Oravita | 511.11 mi (822.56 km) |
| Viterbo to Orsova | 538.85 mi (867.20 km) |
| Viterbo to Otelu Rosu | 552.30 mi (888.84 km) |
| Viterbo to Otopeni | 714.50 mi (1,149.87 km) |
| Viterbo to Ovidiu | 835.24 mi (1,344.19 km) |