| Fairview Heights to Orbetello | 4,975.74 mi (8,007.68 km) |
| Fairview Heights to Oria | 5,319.68 mi (8,561.19 km) |
| Fairview Heights to Oristano | 4,968.15 mi (7,995.46 km) |
| Fairview Heights to Orta Nova | 5,205.76 mi (8,377.85 km) |
| Fairview Heights to Orte | 5,022.91 mi (8,083.60 km) |
| Fairview Heights to Ortona | 5,109.09 mi (8,222.29 km) |
| Fairview Heights to Orvieto | 5,001.00 mi (8,048.33 km) |
| Fairview Heights to Orzinuovi | 4,805.06 mi (7,732.99 km) |
| Fairview Heights to Osimo | 5,024.54 mi (8,086.22 km) |
| Fairview Heights to Ospitaletto | 4,804.51 mi (7,732.11 km) |
| Fairview Heights to Ostuni | 5,307.29 mi (8,541.25 km) |
| Fairview Heights to Ottaviano | 5,176.35 mi (8,330.54 km) |
| Fairview Heights to Ovada | 4,783.05 mi (7,697.57 km) |
| Fairview Heights to Ozieri | 4,958.47 mi (7,979.88 km) |
| Fairview Heights to Paceco | 5,218.00 mi (8,397.56 km) |
