| Gavle to Orbetello | 1,284.17 mi (2,066.68 km) |
| Gavle to Oria | 1,394.09 mi (2,243.58 km) |
| Gavle to Oristano | 1,480.91 mi (2,383.29 km) |
| Gavle to Orta Nova | 1,337.90 mi (2,153.15 km) |
| Gavle to Orte | 1,274.15 mi (2,050.55 km) |
| Gavle to Ortona | 1,271.32 mi (2,045.99 km) |
| Gavle to Orvieto | 1,258.35 mi (2,025.12 km) |
| Gavle to Orzinuovi | 1,095.48 mi (1,763.00 km) |
| Gavle to Osimo | 1,197.47 mi (1,927.14 km) |
| Gavle to Ospitaletto | 1,083.50 mi (1,743.73 km) |
| Gavle to Ostuni | 1,377.95 mi (2,217.59 km) |
| Gavle to Ottaviano | 1,374.42 mi (2,211.92 km) |
| Gavle to Ovada | 1,161.49 mi (1,869.23 km) |
| Gavle to Ozieri | 1,430.62 mi (2,302.36 km) |
| Gavle to Paceco | 1,580.49 mi (2,543.55 km) |
