| Kohtla-Jarve to Oria | 1,370.74 mi (2,206.00 km) |
| Kohtla-Jarve to Oristano | 1,572.41 mi (2,530.55 km) |
| Kohtla-Jarve to Orta Nova | 1,343.55 mi (2,162.23 km) |
| Kohtla-Jarve to Orte | 1,330.59 mi (2,141.38 km) |
| Kohtla-Jarve to Ortona | 1,299.22 mi (2,090.89 km) |
| Kohtla-Jarve to Orvieto | 1,319.89 mi (2,124.16 km) |
| Kohtla-Jarve to Orzinuovi | 1,204.21 mi (1,937.99 km) |
| Kohtla-Jarve to Osimo | 1,243.76 mi (2,001.65 km) |
| Kohtla-Jarve to Ospitaletto | 1,191.52 mi (1,917.57 km) |
| Kohtla-Jarve to Ostuni | 1,355.81 mi (2,181.97 km) |
| Kohtla-Jarve to Ottaviano | 1,395.38 mi (2,245.65 km) |
| Kohtla-Jarve to Ovada | 1,281.44 mi (2,062.27 km) |
| Kohtla-Jarve to Ozieri | 1,520.71 mi (2,447.35 km) |
| Kohtla-Jarve to Paceco | 1,616.16 mi (2,600.96 km) |
| Kohtla-Jarve to Pachino | 1,658.55 mi (2,669.18 km) |
