| Serravalle Pistoiese to Orbetello | 102.71 mi (165.30 km) |
| Serravalle Pistoiese to Oria | 419.69 mi (675.43 km) |
| Serravalle Pistoiese to Oristano | 299.05 mi (481.27 km) |
| Serravalle Pistoiese to Orta Nova | 304.93 mi (490.73 km) |
| Serravalle Pistoiese to Orte | 126.55 mi (203.66 km) |
| Serravalle Pistoiese to Ortona | 209.30 mi (336.84 km) |
| Serravalle Pistoiese to Orvieto | 103.86 mi (167.15 km) |
| Serravalle Pistoiese to Orzinuovi | 112.68 mi (181.35 km) |
| Serravalle Pistoiese to Osimo | 135.48 mi (218.03 km) |
| Serravalle Pistoiese to Ospitaletto | 120.30 mi (193.60 km) |
| Serravalle Pistoiese to Ostuni | 408.21 mi (656.94 km) |
| Serravalle Pistoiese to Ottaviano | 281.02 mi (452.27 km) |
| Serravalle Pistoiese to Ovada | 119.64 mi (192.54 km) |
| Serravalle Pistoiese to Ozieri | 247.42 mi (398.19 km) |
| Serravalle Pistoiese to Paceco | 418.48 mi (673.48 km) |
