| Highlands Ranch to Oschatz | 5,136.44 mi (8,266.30 km) |
| Highlands Ranch to Oschersleben | 5,044.92 mi (8,119.01 km) |
| Highlands Ranch to Osnabruck | 4,932.58 mi (7,938.22 km) |
| Highlands Ranch to Ostbevern | 4,937.28 mi (7,945.78 km) |
| Highlands Ranch to Osterburg | 5,024.02 mi (8,085.39 km) |
| Highlands Ranch to Ostercappeln | 4,935.31 mi (7,942.62 km) |
| Highlands Ranch to Osterhofen | 5,261.23 mi (8,467.13 km) |
| Highlands Ranch to Osterholz-Scharmbeck | 4,913.18 mi (7,906.99 km) |
| Highlands Ranch to Osternienburg | 5,078.84 mi (8,173.60 km) |
| Highlands Ranch to Osterode | 5,027.65 mi (8,091.22 km) |
| Highlands Ranch to Osterwieck | 5,030.84 mi (8,096.35 km) |
| Highlands Ranch to Ostfildern | 5,136.66 mi (8,266.66 km) |
| Highlands Ranch to Osthofen | 5,060.46 mi (8,144.02 km) |
| Highlands Ranch to Ostrhauderfehn | 4,880.97 mi (7,855.16 km) |
| Highlands Ranch to Ostringen | 5,095.89 mi (8,201.05 km) |
