| Janakkala to Oria | 1,441.74 mi (2,320.26 km) |
| Janakkala to Oristano | 1,604.70 mi (2,582.51 km) |
| Janakkala to Orta Nova | 1,404.67 mi (2,260.59 km) |
| Janakkala to Orte | 1,373.87 mi (2,211.03 km) |
| Janakkala to Ortona | 1,352.30 mi (2,176.32 km) |
| Janakkala to Orvieto | 1,361.24 mi (2,190.70 km) |
| Janakkala to Orzinuovi | 1,226.93 mi (1,974.55 km) |
| Janakkala to Osimo | 1,289.84 mi (2,075.80 km) |
| Janakkala to Ospitaletto | 1,214.37 mi (1,954.34 km) |
| Janakkala to Ostuni | 1,426.30 mi (2,295.40 km) |
| Janakkala to Ottaviano | 1,451.69 mi (2,336.27 km) |
| Janakkala to Ovada | 1,300.65 mi (2,093.19 km) |
| Janakkala to Ozieri | 1,553.18 mi (2,499.60 km) |
| Janakkala to Paceco | 1,668.90 mi (2,685.84 km) |
| Janakkala to Pachino | 1,723.47 mi (2,773.65 km) |
