| Highlands Ranch to Orthez | 5,008.49 mi (8,060.38 km) |
| Highlands Ranch to Orvault | 4,816.11 mi (7,750.79 km) |
| Highlands Ranch to Osny | 4,874.94 mi (7,845.45 km) |
| Highlands Ranch to Ostwald | 5,093.57 mi (8,197.32 km) |
| Highlands Ranch to Ouistreham | 4,782.80 mi (7,697.18 km) |
| Highlands Ranch to Oullins | 5,121.50 mi (8,242.26 km) |
| Highlands Ranch to Outreau | 4,788.29 mi (7,706.01 km) |
| Highlands Ranch to Oyonnax | 5,127.47 mi (8,251.86 km) |
| Highlands Ranch to Ozoir-la-Ferriere | 4,908.96 mi (7,900.21 km) |
| Highlands Ranch to Pace | 4,774.30 mi (7,683.49 km) |
| Highlands Ranch to Palaiseau | 4,896.31 mi (7,879.86 km) |
| Highlands Ranch to Pamiers | 5,117.64 mi (8,236.04 km) |
| Highlands Ranch to Panazol | 4,986.85 mi (8,025.56 km) |
| Highlands Ranch to Pantin | 4,893.97 mi (7,876.08 km) |
| Highlands Ranch to Paray-le-Monial | 5,063.29 mi (8,148.58 km) |
