| Racine to Orbetello | 4,705.98 mi (7,573.55 km) |
| Racine to Oria | 5,045.84 mi (8,120.49 km) |
| Racine to Oristano | 4,707.67 mi (7,576.27 km) |
| Racine to Orta Nova | 4,932.72 mi (7,938.45 km) |
| Racine to Orte | 4,751.67 mi (7,647.08 km) |
| Racine to Ortona | 4,835.64 mi (7,782.21 km) |
| Racine to Orvieto | 4,729.55 mi (7,611.47 km) |
| Racine to Orzinuovi | 4,530.41 mi (7,290.99 km) |
| Racine to Osimo | 4,749.89 mi (7,644.21 km) |
| Racine to Ospitaletto | 4,529.38 mi (7,289.34 km) |
| Racine to Ostuni | 5,033.07 mi (8,099.94 km) |
| Racine to Ottaviano | 4,905.85 mi (7,895.21 km) |
| Racine to Ovada | 4,511.47 mi (7,260.50 km) |
| Racine to Ozieri | 4,695.79 mi (7,557.15 km) |
| Racine to Paceco | 4,956.38 mi (7,976.52 km) |
