| La Crosse to Orbetello | 4,791.95 mi (7,711.90 km) |
| La Crosse to Oria | 5,126.37 mi (8,250.10 km) |
| La Crosse to Oristano | 4,803.50 mi (7,730.49 km) |
| La Crosse to Orta Nova | 5,014.44 mi (8,069.95 km) |
| La Crosse to Orte | 4,835.84 mi (7,782.54 km) |
| La Crosse to Ortona | 4,917.02 mi (7,913.18 km) |
| La Crosse to Orvieto | 4,813.52 mi (7,746.61 km) |
| La Crosse to Orzinuovi | 4,610.91 mi (7,420.55 km) |
| La Crosse to Osimo | 4,829.97 mi (7,773.09 km) |
| La Crosse to Ospitaletto | 4,609.30 mi (7,417.95 km) |
| La Crosse to Ostuni | 5,113.16 mi (8,228.83 km) |
| La Crosse to Ottaviano | 4,990.60 mi (8,031.59 km) |
| La Crosse to Ovada | 4,595.71 mi (7,396.08 km) |
| La Crosse to Ozieri | 4,789.42 mi (7,707.83 km) |
| La Crosse to Paceco | 5,050.59 mi (8,128.14 km) |
