| Gurnee to Oschatz | 4,426.04 mi (7,123.02 km) |
| Gurnee to Oschersleben | 4,332.50 mi (6,972.48 km) |
| Gurnee to Osnabruck | 4,209.54 mi (6,774.60 km) |
| Gurnee to Ostbevern | 4,211.41 mi (6,777.60 km) |
| Gurnee to Osterburg | 4,320.12 mi (6,952.55 km) |
| Gurnee to Ostercappeln | 4,213.55 mi (6,781.05 km) |
| Gurnee to Osterhofen | 4,530.30 mi (7,290.81 km) |
| Gurnee to Osterholz-Scharmbeck | 4,200.97 mi (6,760.81 km) |
| Gurnee to Osternienburg | 4,367.84 mi (7,029.36 km) |
| Gurnee to Osterode | 4,308.77 mi (6,934.29 km) |
| Gurnee to Osterwieck | 4,315.81 mi (6,945.62 km) |
| Gurnee to Ostfildern | 4,390.19 mi (7,065.33 km) |
| Gurnee to Osthofen | 4,317.75 mi (6,948.75 km) |
| Gurnee to Ostrhauderfehn | 4,163.33 mi (6,700.23 km) |
| Gurnee to Ostringen | 4,350.94 mi (7,002.17 km) |
