| Westlake to Oschatz | 4,256.69 mi (6,850.48 km) |
| Westlake to Oschersleben | 4,162.96 mi (6,699.64 km) |
| Westlake to Osnabruck | 4,035.75 mi (6,494.91 km) |
| Westlake to Ostbevern | 4,036.16 mi (6,495.57 km) |
| Westlake to Osterburg | 4,154.91 mi (6,686.69 km) |
| Westlake to Ostercappeln | 4,040.37 mi (6,502.34 km) |
| Westlake to Osterhofen | 4,349.85 mi (7,000.40 km) |
| Westlake to Osterholz-Scharmbeck | 4,032.73 mi (6,490.05 km) |
| Westlake to Osternienburg | 4,198.70 mi (6,757.16 km) |
| Westlake to Osterode | 4,136.21 mi (6,656.58 km) |
| Westlake to Osterwieck | 4,145.12 mi (6,670.92 km) |
| Westlake to Ostfildern | 4,202.89 mi (6,763.91 km) |
| Westlake to Osthofen | 4,132.98 mi (6,651.39 km) |
| Westlake to Ostrhauderfehn | 3,992.69 mi (6,425.62 km) |
| Westlake to Ostringen | 4,164.75 mi (6,702.51 km) |