| Burr Ridge to Olivares | 4,193.86 mi (6,749.36 km) |
| Burr Ridge to Olivenza | 4,103.80 mi (6,604.44 km) |
| Burr Ridge to Olot | 4,400.79 mi (7,082.39 km) |
| Burr Ridge to Onate | 4,158.59 mi (6,692.60 km) |
| Burr Ridge to Onda | 4,365.88 mi (7,026.21 km) |
| Burr Ridge to Onteniente | 4,394.12 mi (7,071.65 km) |
| Burr Ridge to Orihuela | 4,407.13 mi (7,092.59 km) |
| Burr Ridge to Osuna | 4,249.36 mi (6,838.69 km) |
| Burr Ridge to Ourense | 3,942.86 mi (6,345.42 km) |
| Burr Ridge to Oviedo | 3,997.89 mi (6,433.98 km) |
| Burr Ridge to Paiporta | 4,379.39 mi (7,047.95 km) |
| Burr Ridge to Pajara | 4,149.47 mi (6,677.93 km) |
| Burr Ridge to Palafolls | 4,431.70 mi (7,132.13 km) |
| Burr Ridge to Palafrugell | 4,439.70 mi (7,145.01 km) |
| Burr Ridge to Palamos | 4,441.02 mi (7,147.13 km) |
