| Willoughby to Oschatz | 4,228.15 mi (6,804.55 km) |
| Willoughby to Oschersleben | 4,134.43 mi (6,653.72 km) |
| Willoughby to Osnabruck | 4,007.08 mi (6,448.77 km) |
| Willoughby to Ostbevern | 4,007.44 mi (6,449.35 km) |
| Willoughby to Osterburg | 4,126.54 mi (6,641.02 km) |
| Willoughby to Ostercappeln | 4,011.72 mi (6,456.23 km) |
| Willoughby to Osterhofen | 4,320.92 mi (6,953.85 km) |
| Willoughby to Osterholz-Scharmbeck | 4,004.26 mi (6,444.23 km) |
| Willoughby to Osternienburg | 4,170.18 mi (6,711.25 km) |
| Willoughby to Osterode | 4,107.57 mi (6,610.49 km) |
| Willoughby to Osterwieck | 4,116.54 mi (6,624.94 km) |
| Willoughby to Ostfildern | 4,173.77 mi (6,717.03 km) |
| Willoughby to Osthofen | 4,103.94 mi (6,604.65 km) |
| Willoughby to Ostrhauderfehn | 3,964.14 mi (6,379.66 km) |
| Willoughby to Ostringen | 4,135.65 mi (6,655.69 km) |
