| Serravalle Pistoiese to Oberkirch | 346.01 mi (556.86 km) |
| Serravalle Pistoiese to Obernburg am Main | 418.09 mi (672.85 km) |
| Serravalle Pistoiese to Obernkirchen | 583.41 mi (938.92 km) |
| Serravalle Pistoiese to Oberschleissheim | 302.60 mi (486.99 km) |
| Serravalle Pistoiese to Oberstdorf | 243.97 mi (392.63 km) |
| Serravalle Pistoiese to Obertraubling | 355.71 mi (572.46 km) |
| Serravalle Pistoiese to Obertshausen | 436.34 mi (702.22 km) |
| Serravalle Pistoiese to Oberursel | 448.22 mi (721.35 km) |
| Serravalle Pistoiese to Ochsenfurt | 398.93 mi (642.02 km) |
| Serravalle Pistoiese to Ochsenhausen | 291.38 mi (468.93 km) |
| Serravalle Pistoiese to Ochtrup | 597.82 mi (962.10 km) |
| Serravalle Pistoiese to Odenthal | 522.37 mi (840.67 km) |
| Serravalle Pistoiese to Oelde | 561.97 mi (904.40 km) |
| Serravalle Pistoiese to Oelsnitz | 454.58 mi (731.57 km) |
| Serravalle Pistoiese to Oer-Erkenschwick | 560.03 mi (901.28 km) |
