| Carol Stream to Nyon | 4,394.48 mi (7,072.23 km) |
| Carol Stream to Oberriet | 4,487.05 mi (7,221.21 km) |
| Carol Stream to Obersiggenthal | 4,431.53 mi (7,131.86 km) |
| Carol Stream to Oberwil | 4,402.13 mi (7,084.55 km) |
| Carol Stream to Oberwingert | 4,448.61 mi (7,159.34 km) |
| Carol Stream to Oftringen | 4,423.79 mi (7,119.39 km) |
| Carol Stream to Olten | 4,421.84 mi (7,116.26 km) |
| Carol Stream to Onex | 4,396.95 mi (7,076.20 km) |
| Carol Stream to Opfikon | 4,444.18 mi (7,152.21 km) |
| Carol Stream to Ostermundigen | 4,421.42 mi (7,115.59 km) |
| Carol Stream to Payerne | 4,405.15 mi (7,089.41 km) |
| Carol Stream to Pfaffikon | 4,455.12 mi (7,169.82 km) |
| Carol Stream to Plan-les-Ouates | 4,398.25 mi (7,078.30 km) |
| Carol Stream to Pratteln | 4,407.61 mi (7,093.36 km) |
| Carol Stream to Prilly | 4,403.11 mi (7,086.11 km) |
