| Pampa to Odenton (Maryland) | 1,351.63 mi (2,175.24 km) |
| Pampa to Odessa (Texas) | 265.53 mi (427.32 km) |
| Pampa to Ogden (Utah) | 712.63 mi (1,146.87 km) |
| Pampa to Oildale (California) | 1,014.93 mi (1,633.38 km) |
| Pampa to Ojus (Florida) | 1,397.65 mi (2,249.30 km) |
| Pampa to Okemos (Michigan) | 1,013.10 mi (1,630.43 km) |
| Pampa to Oklahoma City (Oklahoma) | 194.20 mi (312.53 km) |
| Pampa to Okmulgee (Oklahoma) | 278.63 mi (448.41 km) |
| Pampa to Olathe (Kansas) | 409.03 mi (658.28 km) |
| Pampa to Old Jamestown (Missouri) | 629.81 mi (1,013.57 km) |
| Pampa to Oldsmar (Florida) | 1,190.07 mi (1,915.23 km) |
| Pampa to Olean (New York) | 1,289.64 mi (2,075.48 km) |
| Pampa to Olive Branch (Mississippi) | 628.28 mi (1,011.12 km) |
| Pampa to Olivehurst (California) | 1,154.87 mi (1,858.58 km) |
| Pampa to Olney (Maryland) | 1,331.70 mi (2,143.16 km) |
