| Colonial Park to Orbetello | 4,344.38 mi (6,991.61 km) |
| Colonial Park to Oria | 4,696.04 mi (7,557.55 km) |
| Colonial Park to Oristano | 4,317.84 mi (6,948.90 km) |
| Colonial Park to Orta Nova | 4,580.80 mi (7,372.08 km) |
| Colonial Park to Orte | 4,394.72 mi (7,072.62 km) |
| Colonial Park to Ortona | 4,485.77 mi (7,219.14 km) |
| Colonial Park to Orvieto | 4,373.44 mi (7,038.38 km) |
| Colonial Park to Orzinuovi | 4,186.75 mi (6,737.92 km) |
| Colonial Park to Osimo | 4,404.78 mi (7,088.82 km) |
| Colonial Park to Ospitaletto | 4,187.47 mi (6,739.08 km) |
| Colonial Park to Ostuni | 4,684.68 mi (7,539.26 km) |
| Colonial Park to Ottaviano | 4,545.53 mi (7,315.32 km) |
| Colonial Park to Ovada | 4,157.16 mi (6,690.31 km) |
| Colonial Park to Ozieri | 4,312.34 mi (6,940.04 km) |
| Colonial Park to Paceco | 4,568.58 mi (7,352.42 km) |
