| Evanston to Oerlinghausen | 4,250.74 mi (6,840.90 km) |
| Evanston to Oestrich-Winkel | 4,300.75 mi (6,921.39 km) |
| Evanston to Offenburg | 4,357.02 mi (7,011.95 km) |
| Evanston to Oftersheim | 4,346.62 mi (6,995.21 km) |
| Evanston to Ohrdruf | 4,368.50 mi (7,030.42 km) |
| Evanston to Ohringen | 4,387.34 mi (7,060.75 km) |
| Evanston to Olbernhau | 4,467.59 mi (7,189.89 km) |
| Evanston to Olching | 4,494.88 mi (7,233.81 km) |
| Evanston to Oldenburg | 4,191.01 mi (6,744.78 km) |
| Evanston to Oldenburg in Holstein | 4,239.83 mi (6,823.34 km) |
| Evanston to Olfen | 4,213.87 mi (6,781.56 km) |
| Evanston to Olpe | 4,256.24 mi (6,849.76 km) |
| Evanston to Olsberg | 4,267.34 mi (6,867.62 km) |
| Evanston to Oranienburg | 4,379.84 mi (7,048.68 km) |
| Evanston to Ortenberg | 4,326.03 mi (6,962.07 km) |
