| Glen Ellyn to Oststeinbek | 4,265.87 mi (6,865.26 km) |
| Glen Ellyn to Ottendorf-Okrilla | 4,485.90 mi (7,219.36 km) |
| Glen Ellyn to Ottersberg | 4,247.40 mi (6,835.52 km) |
| Glen Ellyn to Ottobrunn | 4,535.63 mi (7,299.38 km) |
| Glen Ellyn to Ottweiler | 4,315.95 mi (6,945.86 km) |
| Glen Ellyn to Overath | 4,261.43 mi (6,858.11 km) |
| Glen Ellyn to Oyten | 4,244.23 mi (6,830.43 km) |
| Glen Ellyn to Paderborn | 4,285.34 mi (6,896.59 km) |
| Glen Ellyn to Papenburg | 4,187.19 mi (6,738.62 km) |
| Glen Ellyn to Parchim | 4,327.75 mi (6,964.85 km) |
| Glen Ellyn to Pasewalk | 4,397.50 mi (7,077.09 km) |
| Glen Ellyn to Passau | 4,580.84 mi (7,372.15 km) |
| Glen Ellyn to Pattensen | 4,300.50 mi (6,920.99 km) |
| Glen Ellyn to Pegnitz | 4,462.57 mi (7,181.82 km) |
| Glen Ellyn to Peine | 4,314.87 mi (6,944.12 km) |
