| Gislaved to Orbetello | 1,031.80 mi (1,660.53 km) |
| Gislaved to Oria | 1,175.08 mi (1,891.11 km) |
| Gislaved to Oristano | 1,222.06 mi (1,966.71 km) |
| Gislaved to Orta Nova | 1,107.57 mi (1,782.47 km) |
| Gislaved to Orte | 1,026.56 mi (1,652.09 km) |
| Gislaved to Ortona | 1,033.65 mi (1,663.49 km) |
| Gislaved to Orvieto | 1,009.42 mi (1,624.51 km) |
| Gislaved to Orzinuovi | 836.46 mi (1,346.15 km) |
| Gislaved to Osimo | 954.64 mi (1,536.35 km) |
| Gislaved to Ospitaletto | 824.78 mi (1,327.36 km) |
| Gislaved to Ostuni | 1,158.76 mi (1,864.84 km) |
| Gislaved to Ottaviano | 1,137.36 mi (1,830.40 km) |
| Gislaved to Ovada | 899.67 mi (1,447.88 km) |
| Gislaved to Ozieri | 1,172.41 mi (1,886.82 km) |
| Gislaved to Paceco | 1,335.40 mi (2,149.13 km) |
