| Chicago to Oswaldtwistle | 3,797.99 mi (6,112.27 km) |
| Chicago to Oswestry | 3,799.06 mi (6,113.99 km) |
| Chicago to Otley | 3,819.31 mi (6,146.59 km) |
| Chicago to Ovenden | 3,817.04 mi (6,142.94 km) |
| Chicago to Oxford | 3,900.79 mi (6,277.71 km) |
| Chicago to Oxted | 3,964.32 mi (6,379.95 km) |
| Chicago to Padbury | 3,905.58 mi (6,285.43 km) |
| Chicago to Padiham | 3,799.45 mi (6,114.63 km) |
| Chicago to Paignton | 3,852.02 mi (6,199.22 km) |
| Chicago to Paisley | 3,665.74 mi (5,899.43 km) |
| Chicago to Palmers Green | 3,948.77 mi (6,354.94 km) |
| Chicago to Parkstone | 3,906.72 mi (6,287.27 km) |
| Chicago to Partick | 3,669.10 mi (5,904.85 km) |
| Chicago to Patcham | 3,971.52 mi (6,391.55 km) |
| Chicago to Peebles | 3,715.21 mi (5,979.05 km) |
