| Riverview to Orbetello | 5,115.75 mi (8,233.01 km) |
| Riverview to Oria | 5,473.37 mi (8,808.54 km) |
| Riverview to Oristano | 5,058.42 mi (8,140.74 km) |
| Riverview to Orta Nova | 5,357.92 mi (8,622.74 km) |
| Riverview to Orte | 5,169.96 mi (8,320.25 km) |
| Riverview to Ortona | 5,266.52 mi (8,475.65 km) |
| Riverview to Orvieto | 5,149.91 mi (8,287.98 km) |
| Riverview to Orzinuovi | 4,978.51 mi (8,012.14 km) |
| Riverview to Osimo | 5,191.52 mi (8,354.94 km) |
| Riverview to Ospitaletto | 4,980.83 mi (8,015.88 km) |
| Riverview to Ostuni | 5,463.61 mi (8,792.82 km) |
| Riverview to Ottaviano | 5,314.67 mi (8,553.13 km) |
| Riverview to Ovada | 4,939.23 mi (7,948.93 km) |
| Riverview to Ozieri | 5,060.48 mi (8,144.05 km) |
| Riverview to Paceco | 5,306.65 mi (8,540.23 km) |
