| Phoenixville to Odenton (Maryland) | 96.79 mi (155.76 km) |
| Phoenixville to Odessa (Texas) | 1,596.49 mi (2,569.31 km) |
| Phoenixville to Ogden (Utah) | 1,897.17 mi (3,053.21 km) |
| Phoenixville to Oildale (California) | 2,374.31 mi (3,821.08 km) |
| Phoenixville to Ojus (Florida) | 1,015.49 mi (1,634.28 km) |
| Phoenixville to Okemos (Michigan) | 493.49 mi (794.20 km) |
| Phoenixville to Oklahoma City (Oklahoma) | 1,239.66 mi (1,995.04 km) |
| Phoenixville to Okmulgee (Oklahoma) | 1,157.23 mi (1,862.39 km) |
| Phoenixville to Olathe (Kansas) | 1,030.41 mi (1,658.29 km) |
| Phoenixville to Old Jamestown (Missouri) | 791.45 mi (1,273.72 km) |
| Phoenixville to Oldsmar (Florida) | 929.01 mi (1,495.10 km) |
| Phoenixville to Olean (New York) | 202.61 mi (326.07 km) |
| Phoenixville to Olive Branch (Mississippi) | 861.06 mi (1,385.74 km) |
| Phoenixville to Olivehurst (California) | 2,423.82 mi (3,900.77 km) |
| Phoenixville to Olney (Maryland) | 107.17 mi (172.48 km) |
