| Pampa to Oskaloosa (Iowa) | 599.98 mi (965.57 km) |
| Pampa to Oswego (Illinois) | 801.52 mi (1,289.92 km) |
| Pampa to Oswego (New York) | 1,407.37 mi (2,264.94 km) |
| Pampa to Otsego (Minnesota) | 773.92 mi (1,245.51 km) |
| Pampa to Ottawa (Illinois) | 768.60 mi (1,236.94 km) |
| Pampa to Ottawa (Kansas) | 378.36 mi (608.91 km) |
| Pampa to Ottumwa (Iowa) | 597.62 mi (961.78 km) |
| Pampa to Overland (Missouri) | 622.51 mi (1,001.83 km) |
| Pampa to Overland Park (Kansas) | 415.23 mi (668.25 km) |
| Pampa to Overlea (Maryland) | 1,362.17 mi (2,192.20 km) |
| Pampa to Oviedo (Florida) | 1,248.71 mi (2,009.60 km) |
| Pampa to Owasso (Oklahoma) | 291.75 mi (469.53 km) |
| Pampa to Owatonna (Minnesota) | 718.20 mi (1,155.83 km) |
| Pampa to Owensboro (Kentucky) | 781.86 mi (1,258.29 km) |
| Pampa to Owings Mills (Maryland) | 1,347.78 mi (2,169.05 km) |
