| Lake Ridge to Orbetello | 4,429.47 mi (7,128.55 km) |
| Lake Ridge to Oria | 4,782.50 mi (7,696.68 km) |
| Lake Ridge to Oristano | 4,397.99 mi (7,077.88 km) |
| Lake Ridge to Orta Nova | 4,667.09 mi (7,510.96 km) |
| Lake Ridge to Orte | 4,480.50 mi (7,210.66 km) |
| Lake Ridge to Ortona | 4,572.54 mi (7,358.78 km) |
| Lake Ridge to Orvieto | 4,459.39 mi (7,176.69 km) |
| Lake Ridge to Orzinuovi | 4,274.98 mi (6,879.92 km) |
| Lake Ridge to Osimo | 4,492.43 mi (7,229.87 km) |
| Lake Ridge to Ospitaletto | 4,275.96 mi (6,881.50 km) |
| Lake Ridge to Ostuni | 4,771.38 mi (7,678.79 km) |
| Lake Ridge to Ottaviano | 4,630.50 mi (7,452.08 km) |
| Lake Ridge to Ovada | 4,243.76 mi (6,829.68 km) |
| Lake Ridge to Ozieri | 4,393.67 mi (7,070.93 km) |
| Lake Ridge to Paceco | 4,648.69 mi (7,481.35 km) |
