| Coolidge to Oerlinghausen | 5,549.33 mi (8,930.79 km) |
| Coolidge to Oestrich-Winkel | 5,619.75 mi (9,044.12 km) |
| Coolidge to Offenburg | 5,689.02 mi (9,155.59 km) |
| Coolidge to Oftersheim | 5,668.43 mi (9,122.46 km) |
| Coolidge to Ohrdruf | 5,668.09 mi (9,121.91 km) |
| Coolidge to Ohringen | 5,706.58 mi (9,183.85 km) |
| Coolidge to Olbernhau | 5,756.16 mi (9,263.64 km) |
| Coolidge to Olching | 5,814.14 mi (9,356.95 km) |
| Coolidge to Oldenburg | 5,480.46 mi (8,819.95 km) |
| Coolidge to Oldenburg in Holstein | 5,505.74 mi (8,860.63 km) |
| Coolidge to Olfen | 5,520.33 mi (8,884.11 km) |
| Coolidge to Olpe | 5,567.09 mi (8,959.37 km) |
| Coolidge to Olsberg | 5,572.38 mi (8,967.88 km) |
| Coolidge to Oranienburg | 5,649.58 mi (9,092.11 km) |
| Coolidge to Ortenberg | 5,637.37 mi (9,072.48 km) |
