| Omagh to Portage (Michigan) | 3,497.25 mi (5,628.28 km) |
| Omagh to Portage (Wisconsin) | 3,577.55 mi (5,757.51 km) |
| Omagh to Portales (New Mexico) | 4,558.31 mi (7,335.90 km) |
| Omagh to Porterville (California) | 4,986.08 mi (8,024.32 km) |
| Omagh to Portland (Maine) | 2,841.77 mi (4,573.39 km) |
| Omagh to Portland (Oregon) | 4,555.30 mi (7,331.04 km) |
| Omagh to Portland (Tennessee) | 3,804.12 mi (6,122.13 km) |
| Omagh to Portland (Texas) | 4,671.16 mi (7,517.51 km) |
| Omagh to Portsmouth (New Hampshire) | 2,888.54 mi (4,648.65 km) |
| Omagh to Portsmouth (Ohio) | 3,560.18 mi (5,729.56 km) |
| Omagh to Portsmouth (Virginia) | 3,394.07 mi (5,462.23 km) |
| Omagh to Post Falls (Idaho) | 4,272.65 mi (6,876.16 km) |
| Omagh to Potomac (Maryland) | 3,323.80 mi (5,349.14 km) |
| Omagh to Potomac Park (California) | 5,023.86 mi (8,085.12 km) |
| Omagh to Pottstown (Pennsylvania) | 3,205.28 mi (5,158.39 km) |
