| Jelgava to Orbetello | 1,126.47 mi (1,812.88 km) |
| Jelgava to Oria | 1,148.74 mi (1,848.72 km) |
| Jelgava to Oristano | 1,343.00 mi (2,161.35 km) |
| Jelgava to Orta Nova | 1,117.00 mi (1,797.63 km) |
| Jelgava to Orte | 1,100.69 mi (1,771.39 km) |
| Jelgava to Ortona | 1,070.41 mi (1,722.66 km) |
| Jelgava to Orvieto | 1,089.96 mi (1,754.13 km) |
| Jelgava to Orzinuovi | 977.34 mi (1,572.88 km) |
| Jelgava to Osimo | 1,013.98 mi (1,631.85 km) |
| Jelgava to Ospitaletto | 964.65 mi (1,552.45 km) |
| Jelgava to Ostuni | 1,133.51 mi (1,824.20 km) |
| Jelgava to Ottaviano | 1,167.40 mi (1,878.74 km) |
| Jelgava to Ovada | 1,055.50 mi (1,698.67 km) |
| Jelgava to Ozieri | 1,291.31 mi (2,078.16 km) |
| Jelgava to Paceco | 1,387.48 mi (2,232.94 km) |
