| Cimarron Hills to Orbetello | 5,533.03 mi (8,904.55 km) |
| Cimarron Hills to Oria | 5,858.49 mi (9,428.33 km) |
| Cimarron Hills to Oristano | 5,556.91 mi (8,942.98 km) |
| Cimarron Hills to Orta Nova | 5,748.72 mi (9,251.68 km) |
| Cimarron Hills to Orte | 5,574.29 mi (8,970.96 km) |
| Cimarron Hills to Ortona | 5,651.19 mi (9,094.70 km) |
| Cimarron Hills to Orvieto | 5,551.76 mi (8,934.69 km) |
| Cimarron Hills to Orzinuovi | 5,344.96 mi (8,601.89 km) |
| Cimarron Hills to Osimo | 5,562.55 mi (8,952.06 km) |
| Cimarron Hills to Ospitaletto | 5,342.49 mi (8,597.91 km) |
| Cimarron Hills to Ostuni | 5,844.66 mi (9,406.08 km) |
| Cimarron Hills to Ottaviano | 5,729.32 mi (9,220.45 km) |
| Cimarron Hills to Ovada | 5,335.09 mi (8,586.00 km) |
| Cimarron Hills to Ozieri | 5,540.30 mi (8,916.24 km) |
| Cimarron Hills to Paceco | 5,801.50 mi (9,336.61 km) |
